22141423099921 has 2 divisors, whose sum is σ = 22141423099922. Its totient is φ = 22141423099920.

The previous prime is 22141423099907. The next prime is 22141423100047. The reversal of 22141423099921 is 12999032414122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16264774427521 + 5876648672400 = 4032961^2 + 2424180^2 .

It is a cyclic number.

It is not a de Polignac number, because 22141423099921 - 2⁵ = 22141423099889 is a prime.

It is not a weakly prime, because it can be changed into another prime (22141423099421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070711549960 + 11070711549961.

It is an arithmetic number, because the mean of its divisors is an integer number (11070711549961).

Almost surely, 2^{22141423099921} is an apocalyptic number.

It is an amenable number.

22141423099921 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141423099921 is an equidigital number, since it uses as much as digits as its factorization.

22141423099921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 22141423099921 in words is "twenty-two trillion, one hundred forty-one billion, four hundred twenty-three million, ninety-nine thousand, nine hundred twenty-one".